//
//  derived_class_init.cpp
//  learnC++
//
//  Created by liuzhibing on 2018/6/12.
//  Copyright © 2018年 yunfan.com. All rights reserved.
//

#include "derived_class_init.hpp"

Derived::Derived(double cost,int id):Base(id),m_cost(cost){
    
}


